Permanent maginito Direct drive motor

M'zaka zaposachedwa, maginito okhazikika oyendetsa maginito apita patsogolo kwambiri ndipo amagwiritsidwa ntchito kwambiri ponyamula ziwiya zotsika, monga ma conveyors lamba, zosakaniza, makina ojambulira mawaya, mapampu otsika kwambiri, m'malo mwa makina amagetsi opangidwa ndi ma mota othamanga kwambiri komanso makina omata. kuchepetsa njira. Kuthamanga kwa injini nthawi zambiri kumakhala pansi pa 500rpm. Permanent maginito molunjika pagalimoto Motors akhoza makamaka kugawidwa mu mitundu iwiri structural: ozungulira kunja ndi rotor mkati. Kunja rotor okhazikika maginito mwachindunji pagalimoto zimagwiritsa ntchito lamba conveyors.

Pakukonza ndi kugwiritsa ntchito maginito okhazikika a maginito oyendetsa galimoto, ziyenera kudziwidwa kuti maginito okhazikika okhazikika siwoyenera kuthamanga kwambiri. Pamene katundu wambiri mkati50r / min imayendetsedwa ndi galimoto yoyendetsa galimoto, ngati mphamvuyo imakhalabe yokhazikika, imabweretsa torque yayikulu, zomwe zimapangitsa kuti pakhale ndalama zambiri zamagalimoto komanso kuchepa kwachangu. Mphamvu ndi liwiro zikadziwika, ndikofunikira kufananiza kuchuluka kwachuma komwe kumaphatikiza ma mota oyendetsa molunjika, ma mota othamanga kwambiri, ndi magiya (kapena liwiro lina lomwe likuchulukira ndi kuchepa kwa makina amakina). Pakalipano, makina opangira mphepo pamwamba pa 15MW ndi pansi pa 10rpm pang'onopang'ono akugwiritsa ntchito njira yoyendetsera galimoto, pogwiritsa ntchito magiya kuti awonjezere liwiro la galimoto, kuchepetsa mtengo wa galimoto, ndipo pamapeto pake amachepetsa mtengo. Zomwezo zimagwiranso ntchito pamagetsi amagetsi. Choncho, pamene liwiro liri pansi pa 100 r / min, malingaliro a zachuma ayenera kuganiziridwa mosamala, ndipo ndondomeko ya semi direct drive ingasankhidwe.

Ma mota a maginito okhazikika nthawi zambiri amagwiritsa ntchito ma gineti okhazikika okhazikika pamwamba kuti awonjezere kachulukidwe ka torque ndikuchepetsa kugwiritsa ntchito zinthu. Chifukwa cha liwiro lotsika lozungulira komanso mphamvu yaying'ono ya centrifugal, sikofunikira kugwiritsa ntchito mawonekedwe okhazikika a maginito ozungulira. Nthawi zambiri, mipiringidzo yopondereza, manja achitsulo chosapanga dzimbiri, ndi manja oteteza magalasi a fiberglass amagwiritsidwa ntchito kukonza ndi kuteteza maginito okhazikika a rotor. Komabe, ma motors ena omwe ali ndi zofunikira zodalirika kwambiri, manambala ang'onoang'ono, kapena kugwedezeka kwakukulu amagwiritsanso ntchito zida zomangira zokhazikika za maginito.

The low-speed direct drive motor imayendetsedwa ndi frequency converter. Mapangidwe a nambala ya pole akafika pamlingo wapamwamba, kutsika kwinanso kwa liwiro kumabweretsa kutsika kwafupipafupi. Pamene ma frequency converter ali otsika, ntchito yozungulira ya PWM imachepa, ndipo mawonekedwe a mafundewa ndi osauka, zomwe zingayambitse kusinthasintha komanso kuthamanga kosakhazikika. Chifukwa chake kuwongolera ma motors otsika kwambiri othamanga kwambiri kumakhala kovuta. Pakadali pano, ma motors ena otsika kwambiri amatengera masinthidwe amagetsi amagetsi kuti agwiritse ntchito ma frequency apamwamba.

Low liwiro okhazikika maginito mwachindunji pagalimoto Motors akhoza makamaka kukhala mpweya utakhazikika ndi madzi utakhazikika. Kuziziritsa kwa mpweya kumatengera njira yozizira ya IC416 ya mafani odziyimira pawokha, ndipo kuziziritsa kwamadzi kumatha kukhala kuziziritsa kwamadzi (IC71W ku), zomwe zitha kutsimikiziridwa molingana ndi zomwe zili patsamba. Mumayendedwe ozizira amadzimadzi, kutentha kwamphamvu kumatha kupangidwa kukhala kokwera komanso kapangidwe kake kocheperako, koma chidwi chiyenera kulipidwa pakukulitsa makulidwe a maginito okhazikika kuti mupewe demagnetization mopitilira muyeso.

Pakuti otsika-liwiro mwachindunji pagalimoto kachitidwe galimoto ndi zofunika liwiro ndi udindo kulondola kulamulira, m'pofunika kuwonjezera udindo masensa ndi kutengera kulamulira njira ndi masensa udindo; Kuphatikiza apo, pakakhala kufunikira kwa torque yayikulu pakuyambitsa, njira yowongolera yokhala ndi sensa yamalo imafunikanso.

Ngakhale kugwiritsa ntchito maginito okhazikika a maginito oyendetsa galimoto kumatha kuthetsa njira yochepetsera yoyambira ndikuchepetsa mtengo wokonza, mapangidwe osamveka amatha kubweretsa mtengo wokwera wa maginito oyendetsa maginito okhazikika komanso kuchepa kwa magwiridwe antchito. Nthawi zambiri, kukulitsa kukula kwa maginito okhazikika a maginito oyendetsa galimoto kumatha kuchepetsa mtengo pa torque ya unit, motero ma mota oyendetsa mwachindunji amatha kupangidwa kukhala diski yayikulu yokhala ndi mainchesi okulirapo komanso utali wamtali wamfupi. Komabe, palinso malire pakuwonjezeka kwa m'mimba mwake. Kukula kwakukulu kumatha kuonjezera mtengo wa casing ndi shaft, ndipo ngakhale zida zomangira zimapitilira mtengo wazinthu zogwira ntchito. Chifukwa chake kupanga mota yoyendetsa molunjika kumafuna kukhathamiritsa kutalika mpaka m'mimba mwake kuti muchepetse mtengo wonse wagalimotoyo.

Pomaliza, Ndikufuna kutsindika kuti okhazikika maginito mwachindunji pagalimoto Motors akadali pafupipafupi Converter lotengeka Motors. Mphamvu yamagetsi yamagetsi imakhudza zomwe zikuchitika pagawo lotulutsa ma frequency converter. Malingana ngati ili mkati mwa mphamvu ya osinthira pafupipafupi, mphamvu yamagetsi imakhala ndi zotsatira zochepa pa ntchito ndipo sizingakhudze mphamvu yamagetsi pambali ya gridi. Chifukwa chake, mapangidwe amagetsi amagetsi amayenera kuyesetsa kuwonetsetsa kuti mota yoyendetsa molunjika imagwira ntchito mu MTPA, yomwe imapanga torque yayikulu ndi yocheperako pano. Chifukwa chofunikira ndichakuti ma frequency amotor molunjika nthawi zambiri amakhala otsika, ndipo kutayika kwachitsulo kumakhala kotsika kwambiri kuposa kutayika kwa mkuwa. Kugwiritsa ntchito njira ya MTPA kungachepetse kutaya kwa mkuwa. Amisiri sayenera kutengeka ndi ma grid achikhalidwe omwe amalumikizidwa ndi ma asynchronous motors, ndipo palibe chifukwa chowonera mphamvu ya injiniyo potengera kukula komwe kuli mbali yagalimoto.

Anhui Mingteng Permanent-Magnetic Machinery & Electrical Equipment Co., Ltd ndi bizinesi yamakono yamakono yomwe imagwirizanitsa kafukufuku ndi chitukuko, kupanga, kugulitsa, ndi ntchito zamakina okhazikika a maginito. Kusiyanasiyana kwazinthu ndi mafotokozedwe ndi athunthu. Mwa iwo, otsika-liwiro mwachindunji pagalimoto okhazikika maginito Motors (7.5-500rpm) chimagwiritsidwa ntchito katundu mafakitale monga mafani, conveyors lamba, mapampu plunger, ndi mphero mu simenti, zomangira, migodi malasha, mafuta, zitsulo, ndi mafakitale ena. , yokhala ndi magwiridwe antchito abwino.